WHEELS AND TIRES
Wheels and tires
Function
1. Hold the entire weight of the vehicle
2. Move power to the road surface
3. Move the braking force to the road surface
4. Make the steering system work
5. Reduces shock caused by uneven road surfaces
Tire Parts:
1. Tread (Tread)
2. Belt (rigid breaker)
3. Carcass
4. Inner Liner
5. Bead wire
Carcass is a hard tire frame, serves to hold high pressure air, but must be flexible enough to reduce changes in load and impact
Tread functions to protect the carcass from wear and damage caused by the road surface
Sidewall is a layer of rubber that covers the side of the tire and protects the carcass from damage from the outside
The breaker is located between the carcass and tread which strengthens the adhesiveness of both, and dampens the shock that arises from the road surface to the carcass
Bead functions to prevent tire tearing from the rim due to various working forces
Characteristics of Bias and Radial Tires:
Bias Tires
Comfort is quite good
Lower age and ability
Radial Tires
Longer service life
Small increase in heat
Good controlling stability
Better braking power
Small rolling resistance
Less comfort and driving feels heavier
Advantages of Tubeless Tires
If the tire is punctured by a nail or other sharp object, the tire does not fall flat at once, because the inner layer produces a self-tightening effect. So that the driver does not lose control of the vehicle
Heat radiation transfer will be better, because the air in the tire is directly related to the rim
Tire Tread Type
Rib> Flat road, high speed> various types of cars
Rolling resistance is smaller
Vehicles are easily controlled
Small noise
The attraction is not good
Lug > uneven, soft roads > trucks and industry
Good attraction
Rolling resistance is quite high
Tread wears out more easily
Bigger voice
Function
1. Hold the entire weight of the vehicle
2. Move power to the road surface
3. Move the braking force to the road surface
4. Make the steering system work
5. Reduces shock caused by uneven road surfaces
Tire Parts:
1. Tread (Tread)
2. Belt (rigid breaker)
3. Carcass
4. Inner Liner
5. Bead wire
Carcass is a hard tire frame, serves to hold high pressure air, but must be flexible enough to reduce changes in load and impact
Tread functions to protect the carcass from wear and damage caused by the road surface
Sidewall is a layer of rubber that covers the side of the tire and protects the carcass from damage from the outside
The breaker is located between the carcass and tread which strengthens the adhesiveness of both, and dampens the shock that arises from the road surface to the carcass
Bead functions to prevent tire tearing from the rim due to various working forces
Characteristics of Bias and Radial Tires:
Bias Tires
Comfort is quite good
Lower age and ability
Radial Tires
Longer service life
Small increase in heat
Good controlling stability
Better braking power
Small rolling resistance
Less comfort and driving feels heavier
Advantages of Tubeless Tires
If the tire is punctured by a nail or other sharp object, the tire does not fall flat at once, because the inner layer produces a self-tightening effect. So that the driver does not lose control of the vehicle
Heat radiation transfer will be better, because the air in the tire is directly related to the rim
Tire Tread Type
Rib> Flat road, high speed> various types of cars
Rolling resistance is smaller
Vehicles are easily controlled
Small noise
The attraction is not good
Lug > uneven, soft roads > trucks and industry
Good attraction
Rolling resistance is quite high
Tread wears out more easily
Bigger voice
Rib and lug > flat and uneven roads > sedans, small bus trucks
More stable vehicles
Better driving ability and braking
Block > muddy and snowy road
Better driving ability and braking
Reduce slips on muddy / snowy roads
Wear faster
Greater rolling resistance
RIM
Steel Press
Cheaper manufacturing costs
More durable
It's easier to install and release
The quality is more evenly distributed
Mixed metal (alloy steel)
Usually a mixture of aluminum or magnesium
Has a more attractive shape / appearance
Rim Cross Section Type
Divide type rim (DT) > small cars, agricultural machines, and industrial vehicles (forklifts etc.)
Drop center rim (DC) > sedans and small trucks
Wide drop center rim (WDC) > sedans and small trucks
Semi drop center rim (SDC) > small truck
Flat base rim (FB) > trucks and buses
Interim rim (I) > trucks and buses
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